package com.syk;

import java.util.Random;

/**
 * @Description
 * @Author 梯子君(xie)
 * @Data 2020/7/620:42
 */

public class RandomUtil {
    public static String randomInteger(){
        Random random = new Random();
        StringBuffer num =new StringBuffer() ;
        for(int i=0;i<6;i++){
            int in= random.nextInt(10);
            num.append(in);
        }
        return num.toString();
    }
}
